4.20mm HSCo DIN1897 SM200 STUB DRILL TiALN COATED

Heavy-duty deep hole drill made of coabalt material to drill steels with tensile strength up to 1.400 N/mm2, very hard bronze, stainless steels as well as heat and acid resistant steels. Particularly applicable on automatics.
TiAlN coating provides longer tool life or increased cutting speeds.